Finding the Fourth Proportional to 276,882.39, 415,302.84 and 87,348.99
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Solution
The fourth proportional to 276,882.39, 415,302.84 and 87,348.99 is: 131,016.94
Step by Step Solution
- Step 1: Write the proportion equation
276,882.39 : 415,302.84 = 87,348.99 : x - Step 2: Convert to fraction form
276,882.39/415,302.84 = 87,348.99/x - Step 3: Cross multiply
276,882.39x = 415,302.84 × 87,348.99 - Step 4: Simplify right side
276,882.39x = 36,276,283,618.13 - Step 5: Solve for x
x = 36,276,283,618.13/276,882.39 - Step 6: Final answer
x = 131,016.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.